Johnstown, Colorado | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast day icon
    Sunday
    70% Chance of Rain
    62°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Sunday 4/28
    Day
    62°
    70% Chance of Rain
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with probable rain. Chance of precipitation 65%. High temperature around 62F. Dew point will be around 38F with an average humidity of 62%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy. Slight chance of thunderstorms early in the evening. Lows in the mid 30s. Chance of precipitation 20 percent.
  • Forecast day icon
    Monday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Monday 4/29
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs around 70. Southwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon.
    Night Details
    Partly cloudy. Lows near 40. Southwest winds 10 to 15 mph after midnight.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Tuesday 4/30
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s. West winds 15 to 25 mph with gusts up to 40 mph.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower 40s. East winds 10 to 15 mph with gusts up to 30 mph.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    63°
    Forecast night icon
    Night
    70% Chance of Storms
    41°
    Wednesday 5/1
    Day
    63°
    50% Chance of Storms
    Forecast day icon
    Night
    41°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of thunderstorms. Highs near 70.
    Night Details
    Showers likely and slight chance of thunderstorms. Lows in the upper 30s. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    40% Chance of Storms
    47°
    Forecast night icon
    Night
    30% Chance Rain Showers
    35°
    Thursday 5/2
    Day
    47°
    40% Chance of Storms
    Forecast day icon
    Night
    35°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and slight chance of thunderstorms. Cooler. Highs in the lower 50s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a 30 percent chance of rain showers. Lows in the lower to mid 30s.
  • Forecast day icon
    Friday
    Partly Cloudy
    56°
    Forecast night icon
    Night
    Partly Cloudy
    36°
    Friday 5/3
    Day
    56°
    Partly Cloudy
    Forecast day icon
    Night
    36°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 60s.
    Night Details
    Partly cloudy with a 10 percent chance of showers. Lows in the mid to upper 30s.
  • Forecast day icon
    Saturday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Saturday 5/4
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 10 percent chance of thunderstorms. Highs in the upper 60s. Lows around 40.
    Night Details
    Partly cloudy with a 10 percent chance of thunderstorms. Highs in the upper 60s. Lows around 40.
  • Forecast day icon
    Sunday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Sunday 5/5
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a 10 percent chance of thunderstorms. Highs in the upper 70s.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 38F with an average humidity of 57%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Monday
    Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Monday 5/6
    Day
    70°
    Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 35F with an average humidity of 37%. Winds will be 6 mph from the W.
    Night Details
    Mostly clear. Low temperature around 46F. Dew point will be around 36F with an average humidity of 50%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Tuesday 5/7
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 68F. Dew point will be around 36F with an average humidity of 39%. Winds will be 3 mph from the SE.
    Night Details
    Partly cloudy. Low temperature around 47F. Dew point will be around 39F with an average humidity of 57%. Winds will be 3 mph from the NW.